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Fengming Du, Cong Li and Weiwei Wang
Oil and gas exploration is a sector which drives the global economy and currently contributes significantly to global economic development. The safety of subsea pipelines is deeply affected by factors such as pipeline buckling, corrosion and leakage. Onc...
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Ezra Wari, Weihang Zhu and Gino Lim
Corrosion is one of the major causes of failure in pipelines for transporting oil and gas products. To mitigate the impact of this problem, organizations perform different maintenance operations, including detecting corrosion, determining corrosion growt...
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Ezra Wari, Weihang Zhu and Gino Lim
This paper proposes a continuous state partially observable Markov decision process (POMDP) model for the corrosion maintenance of oil and gas pipelines. The maintenance operations include complex and extensive activities to detect the corrosion type, de...
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Sumayh S. Aljameel, Dorieh M. Alomari, Shatha Alismail, Fatimah Khawaher, Aljawharah A. Alkhudhair, Fatimah Aljubran and Razan M. Alzannan
Detection of minor leaks in oil or gas pipelines is a critical and persistent problem in the oil and gas industry. Many organisations have long relied on fixed hardware or manual assessments to monitor leaks. With rapid industrialisation and technologica...
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Jia-Bin Wu and Li Li
The high ambient pressure in deep-sea conditions greatly increases the viscosity of hydraulic oil and then the pipeline pressure loss in deep-sea hydraulic systems. Large pipeline pressure loss can lead to a further change of viscosity on the basis of th...
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Dejan Brkic and Pavel Praks
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Zhuo Wang, Hong-xing Dang, Tao Wang and Bo Zhang
A deep-sea pipeline position and attitude-measuring device based on pipeline outer circle positioning can measure the spatial relative positions of the end faces of two oil pipelines in the deep sea. This device can provide the necessary data to make a t...
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Huajun Song, Jie Song and Peng Ren
The existing oil spill detection methods mainly rely on physical sensors or numerical models cannot locate the spill position accurately and in time. To solve this problem, combining with underwater image processing technology, an unsupervised detection ...
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Rajinder Pal
Exergy destruction in adiabatic pipeline flow of surfactant-stabilized oil-in-water emulsions is investigated in five different diameter pipes. The dispersed-phase (oil droplets) concentration of the emulsions is varied from 0% to 55.14% vol. The emulsi...
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Wessel Pienaar
Pág. 102 - 122
The commercial transportation of crude oil and petroleum products by pipeline is receiving increased attention in South Africa. Transnet Pipeline Transport has recently obtained permission from the National Energy Regulator of South Africa (Nersa)...
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Wessel Pienaar
Pág. 102 - 122
The commercial transportation of crude oil and petroleum products by pipeline is receiving increased attention in South Africa. Transnet Pipeline Transport has recently obtained permission from the National Energy Regulator of South Africa (Nersa)...
ver más
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Wessel Pienaar
Pág. 119 - 140
Pipeline transport is unique among modes of transport in that the pipe, which facilitates freight movement, is both the way and the vehicle, and it is permanently connected to terminals, which facilitate freight storage. This feature makes it the ...
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Wessel Pienaar
Pág. 119 - 140
Pipeline transport is unique among modes of transport in that the pipe, which facilitates freight movement, is both the way and the vehicle, and it is permanently connected to terminals, which facilitate freight storage. This feature makes it the ...
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Vitaly Sergeev, Nikolai Vatin, Evgeny Kotov, Darya Nemova and Svyatoslav Khorobrov
The main objective of the study is to propose a technical solution integrated into the pipeline for the transition of the flow regime from slug to bubbly two-phase flow. The object of research is isothermal two-phase gas?Newtonian-liquid flow in a horizo...
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J. Jesús Villegas-Saucillo, José Javier Díaz-Carmona, Carlos A. Cerón-Álvarez, Raúl Juárez-Aguirre, Saúl M. Domínguez-Nicolás, Francisco López-Huerta and Agustín L. Herrera-May
Oil and gas pipeline networks require the periodic inspection of their infrastructure, which can cause gas and oil leakage with several damages to the environment and human health. For this, non-destructive testing (NDT) techniques of low-cost and easy i...
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Lianshuang Dai, Ting Wang, Caiyan Deng, Qingshan Feng and Dongpo Wang
Above ground indirect detections and random excavations that have applied the past years for buried long distance oil and gas pipelines can only identify some damaged coating locations. Hence, large number of field joint coating (FJC) failures happen unc...
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Jia-Bin Wu, Li Li, Yong-Kang Yan, Pin-Jian Wang and Wei Wei
The valve-controlled hydraulic cylinder system (VCHCS) is commonly utilized in the underwater manipulator, which is the most important tool for subsea tasks. Hydraulic oil viscosity is very sensitive to pressure. Therefore, when working at different dept...
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Bo Zhang, Rui Gong, Tao Wang and Zhuo Wang
Submarine pipelines, as arteries for offshore oil and gas transportation, play a particularly important role in the exploitation of offshore oil and gas resources. Since the world?s first submarine pipelines were laid in the Gulf of Mexico, numerous fail...
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Jia-Bin Wu, Li Li, Xing-Long Zou, Pin-Jian Wang and Wei Wei
The valve-controlled hydraulic cylinder system (VCHCS) is commonly used for actuators such as manipulators in deep-sea equipment, whose working performance is crucial to subsea tasks. Affected by the ambient pressure introduced by the pressure compensato...
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Michael Ajide Oyinloye, Isaac Oluwadare Olamiju, Benjamin Lanre Oladosu
Encroachment by host communities on pipeline right-of-way (PROW) constitutes a major problem for the oil and gas sector of the economy. This paper uses remote sensing and geographic information system (GIS) technologies to assess the level of vulnerabili...
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